fixed issue #19: on OS X, display can slide around if initial clicks are near top of screen

This commit is contained in:
David Ludwig 2017-08-23 20:52:30 -04:00
parent 5d4560c1a7
commit 7767f128e5
2 changed files with 101 additions and 22 deletions

View File

@ -20,6 +20,7 @@
#include <Cocoa/Cocoa.h>
#include "utils_macosx.h"
#include <SDL_syswm.h>
// This is used from video_sdl.cpp.
void NSAutoReleasePool_wrap(void (*fn)(void))
@ -40,3 +41,18 @@ void disable_SDL2_macosx_menu_bar_keyboard_shortcuts() {
}
}
bool is_fullscreen_osx(SDL_Window * window)
{
if (!window) {
return false;
}
SDL_SysWMinfo wmInfo;
SDL_VERSION(&wmInfo.version);
if (!SDL_GetWindowWMInfo(window, &wmInfo)) {
return false;
}
const NSWindowStyleMask styleMask = [wmInfo.info.cocoa.window styleMask];
return (styleMask & NSWindowStyleMaskFullScreen) != 0;
}

View File

@ -140,6 +140,7 @@ static int screen_depth; // Depth of current screen
static SDL_Palette *sdl_palette = NULL; // Color palette to be used as CLUT and gamma table
static bool sdl_palette_changed = false; // Flag: Palette changed, redraw thread must set new colors
static bool toggle_fullscreen = false;
static bool did_add_event_watch = false;
static bool mouse_grabbed = false;
@ -167,6 +168,7 @@ static void (*video_refresh)(void);
static int redraw_func(void *arg);
static int update_sdl_video();
static int present_sdl_video();
static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event);
// From sys_unix.cpp
extern void SysMountFirstFloppy(void);
@ -695,7 +697,7 @@ static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags
int window_height = height;
Uint32 window_flags = 0;
const int window_flags_to_monitor = SDL_WINDOW_FULLSCREEN;
if (flags & SDL_WINDOW_FULLSCREEN) {
SDL_DisplayMode desktop_mode;
if (SDL_GetDesktopDisplayMode(0, &desktop_mode) != 0) {
@ -705,8 +707,6 @@ static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags
window_flags |= SDL_WINDOW_FULLSCREEN_DESKTOP;
window_width = desktop_mode.w;
window_height = desktop_mode.h;
} else {
window_flags |= SDL_WINDOW_RESIZABLE;
}
if (sdl_window) {
@ -724,6 +724,10 @@ static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags
// Apply anti-aliasing, if and when appropriate (usually in fullscreen)
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
// Always use a resize-able window. This helps allow SDL to manage
// transitions involving fullscreen to or from windowed-mode.
window_flags |= SDL_WINDOW_RESIZABLE;
if (!sdl_window) {
sdl_window = SDL_CreateWindow(
"Basilisk II",
@ -737,6 +741,14 @@ static SDL_Surface * init_sdl_video(int width, int height, int bpp, Uint32 flags
return NULL;
}
}
// Some SDL events (regarding some native-window events), need processing
// as they are generated. SDL2 has a facility, SDL_AddEventWatch(), which
// allows events to be processed as they are generated.
if (!did_add_event_watch) {
SDL_AddEventWatch(&on_sdl_event_generated, NULL);
did_add_event_watch = true;
}
if (!sdl_renderer) {
sdl_renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_ACCELERATED);
@ -1041,11 +1053,11 @@ void driver_base::restore_mouse_accel(void)
// Toggle mouse grab
void driver_base::toggle_mouse_grab(void)
{
if (mouse_grabbed)
ungrab_mouse();
else
grab_mouse();
}
if (mouse_grabbed)
ungrab_mouse();
else
grab_mouse();
}
// Grab mouse, switch to relative mouse mode
void driver_base::grab_mouse(void)
@ -1470,14 +1482,18 @@ static void do_toggle_fullscreen(void)
int x, y;
SDL_GetMouseState(&x, &y);
// save the screen contents
SDL_Surface *tmp_surface = SDL_ConvertSurface(drv->s, drv->s->format,
drv->s->flags);
// Apply fullscreen
if (sdl_window) {
if (display_type == DISPLAY_SCREEN) {
display_type = DISPLAY_WINDOW;
SDL_SetWindowFullscreen(sdl_window, 0);
} else {
display_type = DISPLAY_SCREEN;
SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
}
}
// switch modes
display_type = (display_type == DISPLAY_SCREEN) ? DISPLAY_WINDOW
: DISPLAY_SCREEN;
drv->set_video_mode(display_type == DISPLAY_SCREEN ? SDL_WINDOW_FULLSCREEN : 0);
drv->adapt_to_video_mode();
// reset the palette
@ -1486,11 +1502,6 @@ static void do_toggle_fullscreen(void)
#endif
drv->update_palette();
// restore the screen contents
SDL_BlitSurface(tmp_surface, NULL, drv->s, NULL);
SDL_FreeSurface(tmp_surface);
update_sdl_video();
// reset the video refresh handler
VideoRefreshInit();
@ -1499,7 +1510,7 @@ static void do_toggle_fullscreen(void)
// restore the mouse position
SDL_WarpMouseGlobal(x, y);
// resume redraw thread
toggle_fullscreen = false;
#ifndef USE_CPU_EMUL_SERVICES
@ -1514,6 +1525,26 @@ static void do_toggle_fullscreen(void)
/*
* Execute video VBL routine
*/
static bool is_fullscreen(SDL_Window * window)
{
#ifdef __MACOSX__
// On OSX, SDL, at least as of 2.0.5 (and possibly beyond), does not always
// report changes to fullscreen via the SDL_WINDOW_FULLSCREEN flag.
// (Example: https://bugzilla.libsdl.org/show_bug.cgi?id=3766 , which
// involves fullscreen/windowed toggles via window-manager UI controls).
// Until it does, or adds a facility to do so, we'll use a platform-specific
// code path to detect fullscreen changes.
extern bool is_fullscreen_osx(SDL_Window * window);
return is_fullscreen_osx(sdl_window);
#else
if (!window) {
return false;
}
const Uint32 sdl_window_flags = SDL_GetWindowFlags(sdl_window);
return (sdl_window_flags & SDL_WINDOW_FULLSCREEN) != 0;
#endif
}
#ifdef SHEEPSHAVER
void VideoVBL(void)
@ -1952,6 +1983,38 @@ static void force_complete_window_refresh()
* SDL event handling
*/
static int SDLCALL on_sdl_event_generated(void *userdata, SDL_Event * event)
{
switch (event->type) {
case SDL_WINDOWEVENT: {
switch (event->window.event) {
case SDL_WINDOWEVENT_RESIZED: {
// Handle changes of fullscreen. This is done here, in
// on_sdl_event_generated() and not the main SDL_Event-processing
// loop, in order to perform this change on the main thread.
// (Some os'es UI APIs, such as OSX's NSWindow, are not
// thread-safe.)
const bool is_full = is_fullscreen(sdl_window);
const bool adjust_fullscreen = \
(display_type == DISPLAY_WINDOW && is_full) ||
(display_type == DISPLAY_SCREEN && !is_full);
if (adjust_fullscreen) {
do_toggle_fullscreen();
if (is_fullscreen(sdl_window)) {
SDL_SetRelativeMouseMode(SDL_TRUE);
} else {
SDL_SetRelativeMouseMode(SDL_FALSE);
}
}
} break;
}
} break;
}
return 1; // return 1 to add event to queue, 0 to drop it
}
static void handle_events(void)
{
SDL_Event events[10];
@ -1961,7 +2024,7 @@ static void handle_events(void)
while ((n_events = SDL_PeepEvents(events, n_max_events, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) > 0) {
for (int i = 0; i < n_events; i++) {
SDL_Event & event = events[i];
switch (event.type) {
// Mouse button
@ -2072,7 +2135,7 @@ static void handle_events(void)
case SDL_WINDOWEVENT_RESTORED:
force_complete_window_refresh();
break;
}
break;
}